Heywood Reservoir Dam
Key Takeaway
Heywood Reservoir Dam is classified as significant hazard in Massachusetts. It was completed in 1926 and is 100 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 28 ft (taller than 84.2% in MA) |
| Dam Length | 560 ft |
| Dam Type | Earth |
| Max Storage | 446 acre-ft |
| Normal Storage | 289 acre-ft |
| Surface Area | 37 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1926 (100 years old) |
| NID ID | MA00868 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
TOWN OF CLINTON, DEPARTMENT OF PUBLIC WORKS
Local Government
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Significant Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Heywood Reservoir Dam?
Heywood Reservoir Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Heywood Reservoir Dam?
Heywood Reservoir Dam is owned by TOWN OF CLINTON, DEPARTMENT OF PUBLIC WORKS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Heywood Reservoir Dam built?
Heywood Reservoir Dam was completed in 1926, making it 100 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Heywood Reservoir Dam?
Heywood Reservoir Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Heywood Reservoir Dam?
Heywood Reservoir Dam has a dam height of 28 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Heywood Reservoir Dam last inspected?
Heywood Reservoir Dam was last inspected on November 27, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.